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Revista Digital Novasinergia

On-line version ISSN 2631-2654


MANCHENO, Marcelo et al. Characterization of hard corn drying systems. Novasinergia [online]. 2024, vol.7, n.1, pp.136-148.  Epub Jan 10, 2024. ISSN 2631-2654.

Corn drying reduces the moisture content present in the grain to levels that allow safe storage. This process requires a large amount of energy, which is why, if not applied correctly, it can affect the quality of the product to be dried, in addition to representing important costs in the operation of the drying plants. The objective of this research is to analyze the corn drying systems used in Canton Quevedo, Province of Los Ríos. In order to achieve the objective, field visits were made to the area under study, considering factors related to the technology used and the corn harvesting period, as well as, characteristics of the coastal region of Ecuador. It was determined that stationary or fixed bed drying is the drying system widely used for corn drying, which uses subsidized liquefied petroleum gas as fuel for its operation. The moisture content of the corn received at the drying plants is above 30% in the two harvesting periods of the product, a situation that has an impact on processing times and product quality. The fuel demand for drying an average mass of product of 60.2 tons, between the first harvest period, March - June, and the second period, September - November, presents a difference of 300.77 kg of LPG in relation to the first harvest, being the moisture content a key factor to take into account.

Keywords : Quality; Energy; Impurities; Moisture percentage; Stationary drying process.

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